Whether it's a geographic challenge or a contamination problem, Noah Water Systems has two portable water purifier solutions: the Trekker and the Nomad. Both units effectively destroy bacteria and virus, making them the perfect choice for any condition. These products have been engineered and designed to purify water from any fresh-water source: wells, lakes, rivers, streams, dams, ponds, marshes and even polluted floodwaters. Virtually any freshwater source can be transformed into clean, safe, healthy drinking water. Applications include: disaster relief, refugee camps, missionary and medical teams, camping-hunting-fishing trips, marine and RV, remote water treatment, remote villages, remote work camps, feeding programs, military and displaced persons emergencies.